org.globus.ogsa
Interface ServiceDataValueCallback

All Known Implementing Classes:

FileStreamFactoryImpl, GridServiceImpl, JMSNotificationSourceProvider, NotificationSourceProvider, ServiceGroupEntryProvider, ServiceGroupRegistrationProvider

public interface ServiceDataValueCallback

The ServiceDataValueCallback interface can be implemented to dynamically provide service data values, at the time of an expression evaluation. It is registered with and called by a ServiceData object, and hence receives callbacks based on a collection of service data values for a particular service data element QName.

See Also:

ServiceData

Method Summary

java.util.Collection

getServiceDataValues(QName qname) Gets service data values requested for a service data element qname.

Method Detail

getServiceDataValues

public java.util.Collection getServiceDataValues(QName qname)

Gets service data values requested for a service data element qname.

Parameters:

qname - name of service data element (all values will be wrapped inside of element tags with this qname)

Returns:

a collection of service data values, if the collection is empty or null, the evaluator will ignore this service data element.